Finding the Fourth Proportional to 106,099.98, 159,146.19 and 27,214.98
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Solution
The fourth proportional to 106,099.98, 159,146.19 and 27,214.98 is: 40,821.50
Step by Step Solution
- Step 1: Write the proportion equation
106,099.98 : 159,146.19 = 27,214.98 : x - Step 2: Convert to fraction form
106,099.98/159,146.19 = 27,214.98/x - Step 3: Cross multiply
106,099.98x = 159,146.19 × 27,214.98 - Step 4: Simplify right side
106,099.98x = 4,331,160,377.93 - Step 5: Solve for x
x = 4,331,160,377.93/106,099.98 - Step 6: Final answer
x = 40,821.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.